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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14166) Per-Region metrics can be stale
Date Wed, 12 Aug 2015 16:31:45 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elliott Clark updated HBASE-14166:
----------------------------------
    Attachment: HBASE-14166-v5.patch

TestSplitTransactionOnCluster was force closing a region twice leading to a null pointer.
I've fixed that and also tried to shore up a few places that two racing closes could have
un-defined behavior.

> Per-Region metrics can be stale
> -------------------------------
>
>                 Key: HBASE-14166
>                 URL: https://issues.apache.org/jira/browse/HBASE-14166
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.1.0.1
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-14166-v1.patch, HBASE-14166-v2.patch, HBASE-14166-v3.patch,
HBASE-14166-v4.patch, HBASE-14166-v5.patch, HBASE-14166.patch
>
>
> We're seeing some machines that are reporting only old region metrics. It seems like
at some point the Hadoop metrics system decided which metrics to display and which not to.
From then on it was not changing.



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